munition

nouns

weapons considered collectively
arms, implements of war, munition, weaponry, weapons system
military supplies
munition, ordnance, ordnance store
defensive structure consisting of walls or mounds built around a stronghold to strengthen it
fortification, munition

verbs

supply with weapons
munition
is a type of (narrower)
supply with arms
"The U.S. armed the freedom fighters in Afghanistan"
arm